GoGeometry Action 28! (Quick Angle Problem)

Autor:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. What is the measure of the pink angle? How can you formally prove this to be true?

Nuevos recursos

Building Triangles with Set Areas
seo tool
Focus and Directrix
Rolling an Equilateral Triangle
Building Parallelograms with Set Areas

Descubrir recursos

Puzzle base
Angles on a Straight Line
Untitled
Dot halos
NINtegral

Descubre temas

Función Tangente
Triángulos Equiláteros
Figuras planas
Diagramas
Distribución normal